Coin control / new masternodes

Seems like a silly question but hey ho, don't think it actually is.

I have an existing masternode, and would like to use it's returns plus mining to set up a second one, however either through wallet or webwallet I cannot see options for coin controls. What is the best way of moving forwards with a 2nd node? Should I just bite the bullet and create 2 new nodes? I don't know how important the reputation is right now but if I've been building that up over the last few months then throwing it away might not be a good plan?

If I send all the coins to a new address, then 5k back to the original node address will it pick it up as the same masternode or would I need to set up a new one with the old coins as well as my new node?